{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["astronomical object", "time", "disease", "event", "food", "plant"], "input": "Haploidentical bone marrow transplants require the donor marrow to be depleted of all mature T cells to avoid the occurrence of graft-versus-host disease ( GVHD ) ."}
{"astronomical object": [], "time": [], "disease": ["graft-versus-host disease"], "event": [], "food": [], "plant": []}